CALL: A.WIHARTA 081294124885 085778084789 087784022201 Karya Mandiri Instrument indonesia adalah supplier peralatan laboratorium baik eletronik maupun mekanik, serta berbagai macam instrument measurement, dengan didukung dari berbagai macam merk dari negara negara Eropa, US, dan beberapa negara di Asia seperti Korea, Japan dan Taiwan. Instrument yang kami sediakan seperti : Anemometer, Analitical Balance, Spectrophotometer, pHmeter, Laser survey, Micropipette, Peristaltic Pump, Flame photometer, Water bath heating cooling, Colorimeter, Water Strirer, Viscometer. Freezers, Refractometer, Polarimeter, Sound Level meter, Tachometer. Dll Kami juga menerima jasa service dan kalibrasi untuk peralatan laboratorium sesuai kemampuan kami.   Dedicated to soil pH measurement Specialized soil pH electrode Multi-level LCD display User friendly operation using only 2 buttons On-screen tutorial messages Automatic Temperature Compensation Automatic one or two point calibration BEPS ( Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings Battery % displayed on startup Compact, heavy-duty, and waterproof With the HI 99121 and HI 1292D direct soil pre-amplified pH and temperature probe, users can test both the pH of soil directly or after preparation of a diluted sample. The HI 1292D features a conical, rugged tip that can be directly inserted in moist or soft soil. For harder soils, the kit includes a plastic auger to perforate the ground. Range pH -2.00 to 16.00 pH Temperature -5.0 to 105.0° C / 23.0 to 221.0° F Resolution pH 0.01 pH Temperature 0.1° C / 0.1° F Accuracy @ 20° C pH ± 0.02 pH Temperature ± 0.5° C ( up to 60° C) , ± 1° C ( outside) ; ± 1.0° F ( up to 140° F) , ± 2° F ( outside) pH Calibration automatic one or two point calibration with two sets of memorized buffers ( Standard 4.01, 7.01, 10.01 or NIST 4.01, 6.86, 9.18) Temperature Compensation Automatic, -5 to 105° C ( 23 to 221° F) pH Electrode HI 1292D glass body, pre-amplified pH electrode for soil measurement with internal temperature sensor, DIN connector and 1 m ( 3.3’ ) cable ( included) Battery Type / Life 1.5V AAA ( 3) / approximately 1200 hours of continuous use. auto-off after 8 minutes of non-use Environment 0 to 50° C ( 32 to 122° F) ; RH max 100% Dimensions 152 x 58 x 30 mm ( 6.0 x 2.3 x 1.2” ) Weight 205g ( 7.2 oz.)